JP2002320936A - Burned ash removal method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a burned ash removal method to remove the burned ash left in an incinerator facility. SOLUTION: Burned ash left inside of an incinerator 12 is absorbed through a nozzle 32 by using a vacuum suction device 36, directly collected into a dust collection container 36b and removed. The work of burned ash removal is conducted in a closed work space 10, and the air in the work space 10 is purified by an air purifying device 28 and is exhausted to outside. Water and cement are added to the recovered burned ash and mixed, and they are solidified in a solidification type frame 52 which is formed with a removable partition panel 52f.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for efficiently removing incinerated ash remaining in a garbage incineration facility or the like.

[0002]

2. Description of the Related Art In recent years, dioxin, which has been regarded as a problem as an environmental pollutant, is contained not only in gas discharged from incineration facilities, which is a major source, but also in incineration ash attached to the facilities. there is a possibility. For this reason, when dismantling incineration facilities, such as an incineration plant, it is obligatory to remove incineration ash in advance in order to prevent incineration ash from scattering around by demolition.

[0003] As a conventional method of removing incinerated ash, incinerated ash adhering to incineration equipment is scraped off with a rod or the like, and then removed.
A method of packing in sandbags or the like and carrying it out, or a method of spraying a large amount of water on incineration ash to flow down into muddy turbid water, and precipitating and solidifying the incinerated ash contained in this turbid water is used. ing.

[0004]

However, in the above method of scraping incinerated ash, a large amount of dust is generated, and the work of carrying out the bagged incinerated ash is performed manually, which is inefficient and requires a large amount of time. Is spent. On the other hand, the method of flushing incineration ash using a large amount of water consumes an extremely large amount of water and requires leaving a large amount of turbid water including incineration ash for a sufficient time to precipitate the incineration ash. In addition, the water separated from the incineration ash has to be purified, and there has been a problem that a great deal of labor and time are required.

[0005] In view of the above-mentioned conventional problems, an object of the present invention is to provide a method for removing incinerated ash that can efficiently remove incinerated ash remaining in incineration equipment.

[0006]

In order to achieve the above object, a method for removing incinerated ash according to claim 1 is a method for removing incinerated ash remaining inside an incinerator including an incinerator and ancillary facilities thereof. A vacuum suction device including a nozzle forming a suction port, a vacuum suction unit communicating with the nozzle via a hose, and a dust collection container in which incineration ash sucked by the vacuum suction unit is collected. It is characterized in that incinerated ash is sucked from and collected directly in the dust collection container.

According to the present invention, a large amount of incineration ash remaining in the incineration facility is sucked from the nozzle and collected directly in the dust collection container, so that the incineration ash can be collected without being scattered in the surrounding atmosphere. it can. In addition, since water is not removed as in the related art, resources are not wasted, and no water treatment equipment is required, so that costs associated with the operation can be reduced. Furthermore, since the suction unit and the nozzle are connected by a hose and the incinerated ash is collected in the dust collection container, there is no need to install the suction unit and the dust collection container at the suction work site. That is, since the dust collecting container can be installed at a place remote from the nozzle, by installing the dust collecting container outside the suction site, the incinerated ash can be carried out of the narrow incineration facility only by sucking the incinerated ash from the nozzle.

According to a second aspect of the present invention, there is provided a method for removing incinerated ash, wherein the method according to the first aspect is carried out in a closed work space, and air in the work space is guided to an air purification device by an induction fan. It is characterized by purifying and discharging to the outside.

That is, since the work space is sealed, dust generated during the work does not leak directly to the outside. In addition, since the air in the working space is guided to the air purification device by the induction fan, the air in the working space is purified and the working environment is improved, and the air discharged to the outside is also purified, thereby polluting the atmosphere. There is no danger.

According to a third aspect of the present invention, there is provided a method for removing incinerated ash, wherein the incinerated ash collected in the dust collecting container is mixed by adding water and cement, and the solidified form is provided with a removable partition panel. After solidification, the partition panel is removed and removed from the mold.

That is, since the incinerated ash collected in the dust collecting container is solidified to a desired size by the solidifying mold, it is easy to carry it out of the solidifying work site and solidify it into a desired shape which is easy to process. Therefore, the solidified incinerated ash can be disposed of efficiently. In addition, since the solidification form is formed of a removable partition panel, the mold can be easily removed by removing the partition panel after the incineration ash has solidified.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a method for removing incinerated ash adhering to an incinerator as an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a conceptual diagram showing one embodiment of a method for removing incinerated ash according to the present invention.

In the present embodiment, an incineration ash removal work chamber 14 composed of curing equipment surrounding the incinerator 12 from which incineration ash is to be removed, and a solidification for solidifying the removed incineration ash formed of the curing equipment. The work space 16 is communicated with the work chamber 16 by the first closed passage 18 to form a work space 10 isolated from the outside. The solidifying work chamber 16 is provided with an air shower chamber 20 for removing dust adhering after the work and a second sealed passage 24 communicating with a dressing room 22 for attaching and detaching protective equipment. , And enters and exits the work space 10 through the shower room 20.

Each of the incinerator 12, the removal work chamber 14, and the solidification work chamber 16 is provided with an air duct 26 communicating between the inside and the outside of the incinerator 12, and the air duct 26 is provided outside the work space 10. For example, it is connected to an induction fan 30 via a dust collecting type air cleaner 28 constituting the device. Work space 10 sucked by the induction fan 30
The air inside is purified by passing through the air purifier 28 and then discharged to the outside. At this time, the dust contained in the sucked air in the work space 10 is collected in the storage section in the air cleaner 28.

The solidification chamber 16 has a removal chamber 14.
Nozzle 32 and hose 3 operated by an operator inside
A vacuum cleaner 36, which is a vacuum suction device connected at 4, is provided. Vacuum cleaner 36
Is composed of a suction unit 36a and a dust collection container 36b for collecting the suctioned incineration ash, and both are detachable from each other. The dust collection container 36b is held by a frame 36c having casters, and can be rotated around the held position to discharge the collected incineration ash by turning the bottom upward.

The worker includes hermetically sealed protective clothing 38a, chemical protective gloves 38b and boots 38c, and an air line mask 38d.
Are worn in the changing room 22. The air line mask 38d is connected to a compressor 40 installed outside the working space 10 by a hose 44 via a filtering device 42, and fresh air is constantly sent to the operator.

The operator operates the incinerator 12 in the removal working chamber 14.
Then, the vacuum nozzle 32 is operated to suck the deposited incineration ash, and the sucked incineration ash is collected in the dust collecting container 36 b of the vacuum cleaner 32 in the solidification work chamber 16. That is, the incineration ash deposited in the incinerator 12 is sucked by the vacuum nozzle 32, and thereby the dust collection container 36
b, it is carried out from the suction work chamber 14 to the solidification work chamber 16 only by suction. Therefore, the incineration ash can be efficiently packed in a short time without the need to pack the incinerated ash or carry it out manually.

When the dust container 36b is almost full, the suction operation is stopped, and the dust container 36b is separated from the suction part 36a. At this time, if a plurality of dust collection containers 36b are prepared, replaced, and the removal operation is continued, the operation time can be further reduced. The incinerated ash in the separated dust container 36b is introduced into a mortar mixer 46 installed in the solidification work chamber 16. The dust collection container 36b is configured to be detachable from the suction unit 36a, and is held by the frame 36c provided with casters. Therefore, the collected incineration ash can be moved together with the dust collection container 36b, and a large amount of incineration ash can be removed. Even if collected, it can be easily brought close to the mortar mixer 46. Further, the incinerated ash can be put into the mortar mixer 46 by an easy operation only by rotating the dust collecting container 36b. At this time, cement and aggregate are also mortar mixer 4
6, and water is injected from a hose 50 connected to an external water source 48 and kneaded. The paste-like incinerated ash is transferred to the solidification form 52 in the solidification work chamber 16,
Allow to solidify.

FIG. 2 is a perspective view of the solidifying mold 52. As shown in FIG. As shown in FIG. 2, the solidifying mold 52 has a rectangular shape in a plan view, and a base 52 into which an arm of a forklift or the like enters at a lower portion.
a. On the base 52a, side walls 52b are provided upright at edges along the longitudinal direction, and a center wall 52c is provided upright at an intermediate position between the side walls 52b.

FIG. 3 shows a side wall 52 constituting the solidifying mold 52.
b is an enlarged plan view showing a connection portion between b and the partition panel 52f;
FIG. 4 is an enlarged exploded view showing a connecting portion between the central wall 52c and the partition panel 52f. As shown in FIGS. 3 and 4, vertical grooves 52d are formed on the inside of the side wall 52b at appropriate intervals, and cuts 52e are formed on the central wall 52c at the same intervals. Then, ends of a plurality of partition panels 52f, which are orthogonal to them and have cuts 52g, are fitted into the vertical grooves 52d, and cuts 52e, 52 are formed.
g are fitted together to form a lattice-shaped formwork. Therefore, since the inside of the solidifying mold 52 is partitioned into a plurality of spaces by the side walls 52b, the central wall 52c, and the partition panel 52f, the incinerated ash can be solidified into a small block. After the incineration ash solidifies,
It is also possible to insert the arm of a forklift into the base 52a and move it to an arbitrary location, or load it on a truck or the like as necessary. Also, remove the partition panel 52f,
By inclining the base 52a with a forklift or the like, the blocked incinerated ash can be slid in the longitudinal direction and easily removed from the solidifying mold 52.

Referring again to FIG. 1, the incinerator 1
The incinerated ash adhering to the peripheral wall of No. 2 is blown down by sandblasting. The sand blast is performed by the compressor 40 for the air line mask 38d and the removal working chamber 14.
And a hose 58 through a sand blast gun 56 provided outside the working space 10.
Connected by The incinerated ash blown down by the sand blast is successively sucked by the vacuum nozzle 32, subjected to the above-described processing, and solidified. In addition, the air purifier 28
It is desirable to treat the dust contained in the air in the work space 10 collected by the incineration ash in the same manner as the sucked incineration ash.

[0023]

As described above, according to the method for removing incinerated ash according to the present invention, the incinerated ash is sucked from the nozzle,
Since the incineration ash is directly collected in the dust collection container, the incineration ash can be collected without being scattered in the surrounding atmosphere. In addition, if the suction unit and dust container connected to the nozzle and hose are installed outside the incineration facility, the incinerated ash can be carried out simply by suctioning from the nozzle, and the incinerated ash remaining in the incineration facility can be efficiently used. It can be removed well in a short time.

The work space is sealed, and the air in the work space is sucked out by the induction fan, so that the air in the work space is purified and the work environment is improved. Furthermore, the sucked air passes through the air purification device and is purified and discharged to the outside, so there is no risk of polluting the atmosphere.

The collected incineration ash is solidified to a desired size in a solidifying mold, so that it can be disposed of efficiently, and the partition panels constituting the solidifying mold can be detached. The mold can be easily removed by removing the partition panel after the ash has solidified.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram showing one embodiment of a method for removing incinerated ash according to the present invention.

FIG. 2 is a perspective view of a solidifying mold.

FIG. 3 is a partially enlarged plan view of a solidifying mold.

FIG. 4 is a perspective view showing a joint portion between a partition panel of a solidifying mold and a central wall.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Work space 12 Incinerator (incineration equipment) 28 Dust collection type air purifier (air purification device) 32 Nozzle 36 Vacuum cleaner (vacuum suction machine) 36b Dust collection container 52 Solidification form 52f Partition panel

Claims (3)

[Claims] 1. A method for removing incineration ash remaining in an incineration facility including an incinerator and ancillary facilities thereof, comprising: a nozzle serving as a suction port; a vacuum suction unit communicating with the nozzle via a hose; Removing the incineration ash by suctioning the incineration ash from the nozzle and collecting the incineration ash directly into the dust collection container by a vacuum suction device provided with a dust collection container in which the incineration ash sucked by the vacuum suction unit is collected. Method. 2. The method according to claim 1, wherein the method is performed in a closed work space, and the air in the work space is guided to an air purification device by an induction fan, purified and discharged to the outside. How to remove incinerated ash. 3. The incinerated ash collected in the dust collecting container is mixed by adding water and cement, and is solidified by a solidifying mold having a detachable partition panel. Then, the partition panel is removed and removed. The method for removing incinerated ash according to claim 1 or 2, wherein the incineration ash is molded.